Class information for:
Level 1: RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//RECOMMENDATION SYSTEM

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
12 4 COMPUTER SCIENCE, THEORY & METHODS//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 1181119
31 3       COMPUTER SCIENCE, SOFTWARE ENGINEERING//COMPUTER SCIENCE, INFORMATION SYSTEMS//COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE 113161
355 2             RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//INFORMATION PROCESSING & MANAGEMENT 17972
964 1                   RECOMMENDER SYSTEMS//COLLABORATIVE FILTERING//RECOMMENDATION SYSTEM 2969

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 RECOMMENDER SYSTEMS authKW 6547349 28% 74% 839
2 COLLABORATIVE FILTERING authKW 4704000 20% 73% 608
3 RECOMMENDATION SYSTEM authKW 687333 4% 49% 132
4 CONTENT BASED FILTERING authKW 386079 2% 74% 49
5 PERSONALIZATION authKW 330709 5% 19% 163
6 PERSONALIZED RECOMMENDATION authKW 325611 2% 68% 45
7 FOLKSONOMY authKW 287241 2% 44% 62
8 MATRIX FACTORIZATION authKW 201190 3% 21% 90
9 SOCIAL TAGGING authKW 194453 1% 47% 39
10 INFORMATION FILTERING authKW 194368 2% 31% 59

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Computer Science, Artificial Intelligence 76866 42% 1% 1254
2 Computer Science, Information Systems 71787 41% 1% 1208
3 Computer Science, Software Engineering 13656 16% 0% 474
4 Computer Science, Theory & Methods 10791 17% 0% 504
5 Operations Research & Management Science 7042 11% 0% 338
6 Computer Science, Cybernetics 4907 4% 0% 116
7 Information Science & Library Science 2960 5% 0% 153
8 Engineering, Electrical & Electronic 2640 20% 0% 579
9 Computer Science, Hardware & Architecture 1990 5% 0% 145
10 Telecommunications 1646 7% 0% 205

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 WEB SCI 147189 2% 22% 62
2 FILMAFFIN COM TEAM 63681 0% 100% 6
3 SMART MEDIA 62499 1% 33% 18
4 INFORMAT ECON 54393 1% 24% 21
5 WEB INTELLIGENCE 45237 0% 47% 9
6 WICA 37140 0% 50% 7
7 AD T INFORMAT CLUSTER 35809 0% 38% 9
8 ADENU GRP 34663 0% 47% 7
9 AGENTS 33961 0% 80% 4
10 INFORMAT ECON INTERNET 33163 0% 63% 5

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 USER MODELING AND USER-ADAPTED INTERACTION 129269 2% 21% 58
2 EXPERT SYSTEMS WITH APPLICATIONS 56500 8% 2% 242
3 ACM TRANSACTIONS ON INTELLIGENT SYSTEMS AND TECHNOLOGY 48022 1% 11% 43
4 KNOWLEDGE-BASED SYSTEMS 45023 4% 4% 112
5 ACM TRANSACTIONS ON INFORMATION SYSTEMS 25311 1% 7% 36
6 LECTURE NOTES IN ARTIFICIAL INTELLIGENCE 14077 5% 1% 149
7 JOURNAL OF INTELLIGENT INFORMATION SYSTEMS 12408 1% 4% 27
8 WORLD WIDE WEB-INTERNET AND WEB INFORMATION SYSTEMS 11928 1% 5% 23
9 IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING 11673 2% 2% 59
10 ACM TRANSACTIONS ON THE WEB 11344 1% 7% 15

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 RECOMMENDER SYSTEMS 6547349 28% 74% 839 Search RECOMMENDER+SYSTEMS Search RECOMMENDER+SYSTEMS
2 COLLABORATIVE FILTERING 4704000 20% 73% 608 Search COLLABORATIVE+FILTERING Search COLLABORATIVE+FILTERING
3 RECOMMENDATION SYSTEM 687333 4% 49% 132 Search RECOMMENDATION+SYSTEM Search RECOMMENDATION+SYSTEM
4 CONTENT BASED FILTERING 386079 2% 74% 49 Search CONTENT+BASED+FILTERING Search CONTENT+BASED+FILTERING
5 PERSONALIZATION 330709 5% 19% 163 Search PERSONALIZATION Search PERSONALIZATION
6 PERSONALIZED RECOMMENDATION 325611 2% 68% 45 Search PERSONALIZED+RECOMMENDATION Search PERSONALIZED+RECOMMENDATION
7 FOLKSONOMY 287241 2% 44% 62 Search FOLKSONOMY Search FOLKSONOMY
8 MATRIX FACTORIZATION 201190 3% 21% 90 Search MATRIX+FACTORIZATION Search MATRIX+FACTORIZATION
9 SOCIAL TAGGING 194453 1% 47% 39 Search SOCIAL+TAGGING Search SOCIAL+TAGGING
10 INFORMATION FILTERING 194368 2% 31% 59 Search INFORMATION+FILTERING Search INFORMATION+FILTERING

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 21641 WEB USAGE MINING//WEB LOG MINING//WEB ROBOT DETECTION
2 23412 LINK PREDICTION//SIMRANK//META PATH
3 12029 INFORMATION RETRIEVAL//LEARNING TO RANK//QUERY EXPANSION
4 25868 ACRONYM EXTRACTION//INTELLIGENT E COMMERCE SYST//COLLABORATIVE BROWSING
5 34067 INTERACT CINEMA GRP//HENRY JENKINS//ACOUSTIC INFORMATION SPACES
6 31887 SAMSUN CO AFFILIATED//IT CONVERGENCE//U HEALTHCARE
7 23342 SEMANTIC LINK NETWORK//CHINA KNOWLEDGE GRID GRP//KNOWLEDGE GRID GRP
8 33568 COMMUNITYWARE//INTELLIGENT FIELD TERMINAL//SOCIALWARE
9 7108 STUDENT MODELING//INTELLIGENT TUTORING SYSTEMS//ADAPTIVE HYPERMEDIA
10 11661 SENTIMENT ANALYSIS//OPINION MINING//SENTIMENT CLASSIFICATION

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